body {
    background-color: rgb(255, 255, 255);
}

.a1 {
    margin-left: 60px;
    width: 120px;
    height: 50px;
}

.a2 {
    margin-left: 20px;
    width: 120px;
    height: 50px;
}

.a3 {
    text-align: right;
    margin-left: 300px;
    width: 70px;
    height: 30px;
}

.a4 {
    text-align: right;
    margin-left: 50px;
    width: 70px;
    height: 30px;
}

.a5 {
    padding: 5px;
    border: 1px solid #ccc;
    border-radius: 4px;
    margin-left: 0px;
    width: 400px;
    height: 40px;
}

.a6 {
    position: relative;
    right: 2px;
    margin-left: 0px;
    width: 100px;
    height: 50px;
}

.a7 {
    position: relative;
    left: 3px;
    top: 19px;
    margin-top: 100px;
    margin-left: 480px;
    width: 50px;
    height: 50px;
}

.left {
    margin-top: 70px;
    margin-left: 80px;
    float: left;
    width: 10%;
}

.center {
    margin-left: 20px;
    float: left;
    width: 55%;
}

.right {
    width: 25%;
    margin-top: 50px;
    margin-left: 20px;
    float: left;
}

.b1 {
    font-size: 180%;
    margin-left: 10px;
    margin-top: 20px;
}

.b2 {
    font-size: 125%;
    margin-top: 40px;
    margin-left: 30px;
}

.b3 {
    font-size: 125%;
}

ul li {
    font-size: 150%;
    list-style-type: none;
    margin-top: 35px;
    text-align: center;
    font-family: 'Arial', sans-serif;
    font-size: 18px;
    color: #333;
    line-height: 1.6;
    text-align: justify;
    font-weight: 400;
    background-color: #f5f5f5;
    padding: 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.c1 {
    font-size: 200%;
}